How To Clip Your Nails In Space & More Gravity-Defying Astronaut Beauty Secrets

To nail her role as an astronaut in the film "Gravity," Sandra Bullock turned to astronaut Catherine "Cady" Coleman, who spent 180 days in outer space, for advice. A retired US Air Force colonel and 21-year NASA veteran, Coleman e-mailed and chatted with Bullock while on her third space mission, where she served as a flight engineer aboard the Russian Soyuz TMA-20 spacecraft and spent 159 days aboard the International Space Station (ISS) as the lead robotics and science officer.

While Bullock spent all 91 stressful minutes of "Gravity" trying to get home in one piece, we were curious to know what else astronauts are up to on the ISS when they're not being separated from George Clooney and losing all connection with ground control. We chatted with Coleman to get an inside glimpse into what everyday activities we do down on earth are like up in space. Click ahead to see why you should never take your pillow or clipping your toenails for granted.